def _validate_with_metadata(self, obj, name, value, src_units):
"""Perform validation and unit conversion using metadata from
the source trait.
"""
# pylint: disable=E1101
dst_units = self.units
try:
pq = PhysicalQuantity(1.0, src_units)
except NameError:
raise NameError("while setting value of %s: undefined unit '%s'" %
(src_units, name))
try:
pq.convert_to_unit(dst_units)
except NameError:
raise NameError("undefined unit '%s' for variable '%s'" %
(dst_units, name))
except TypeError:
msg = "%s: units '%s' are incompatible " % (name, src_units) + \
"with assigning units of '%s'" % (dst_units)
raise TypeError(msg)
value *= pq.value
return value
def _validate_with_metadata(self, obj, name, value, src_units):
"""Perform validation and unit conversion using metadata from
the source trait.
"""
# pylint: disable=E1101
dst_units = self.units
if isinstance(value, UncertainDistribution):
value = value.getvalue()
# FIXME: The try blocks testing whether the unit is bogus or undefined
# are generally redundant because that test is done at creation. HOWEVER
# you might have a case where it wasn't tested because it's technically
# not a float. NPSS wrapper may be such a case. A test needs to be
# constructed to test these lines.
try:
pq = PhysicalQuantity(value, src_units)
except NameError:
raise NameError("while setting value of %s: undefined unit '%s'" %
(src_units, name))
try:
pq.convert_to_unit(dst_units)
except NameError:
raise NameError("undefined unit '%s' for variable '%s'" %
(dst_units, name))
except TypeError:
msg = "%s: units '%s' are incompatible " % (name, src_units) + \
"with assigning units of '%s'" % (dst_units)
raise TypeError(msg)
return pq.value
def _validate_with_metadata(self, obj, name, value, src_units):
"""Perform validation and unit conversion using metadata from
the source trait.
"""
# pylint: disable-msg=E1101
dst_units = self.units
try:
pq = PhysicalQuantity(1.0, src_units)
except NameError:
raise NameError("while setting value of %s: undefined unit '%s'" %
(src_units, name))
try:
pq.convert_to_unit(dst_units)
except NameError:
raise NameError("undefined unit '%s' for variable '%s'" %
(dst_units, name))
except TypeError:
msg = "%s: units '%s' are incompatible " % (name, src_units) + \
"with assigning units of '%s'" % (dst_units)
raise TypeError(msg)
try:
value *= pq.value
return super(Array, self).validate(obj, name, value)
except Exception:
self.error(obj, name, value)
def _validate_with_metadata(self, obj, name, value, src_units):
"""Perform validation and unit conversion using metadata from
the source trait.
"""
# pylint: disable=E1101
dst_units = self.units
if isinstance(value, UncertainDistribution):
value = value.getvalue()
# FIXME: The try blocks testing whether the unit is bogus or undefined
# are generally redundant because that test is done at creation. HOWEVER
# you might have a case where it wasn't tested because it's technically
# not a float. NPSS wrapper may be such a case. A test needs to be
# constructed to test these lines.
try:
pq = PhysicalQuantity(value, src_units)
except NameError:
raise NameError("while setting value of %s: undefined unit '%s'" %
(src_units, name))
try:
pq.convert_to_unit(dst_units)
except NameError:
raise NameError("undefined unit '%s' for variable '%s'" %
(dst_units, name))
except TypeError:
msg = "%s: units '%s' are incompatible " % (name, src_units) + \
"with assigning units of '%s'" % (dst_units)
raise TypeError(msg)
return pq.value
def test_pi(self):
# Fixes issue 786
x = PhysicalQuantity('1rpm')
x.convert_to_unit('rad/min')
self.assertAlmostEqual(x.value,
PhysicalQuantity('6.283185rad/min').value,
places=3)
def test_new_units(self):
# Hour added to test problem in Classic OpenMDAO Ticket 466
# knot, rev, month added to test problem in Issue 804
x = PhysicalQuantity('7200s')
x.convert_to_unit('h')
self.assertEqual(x, PhysicalQuantity('2h'))
x = PhysicalQuantity('5knot')
x.convert_to_unit('nm/h')
self.assertEqual(x, PhysicalQuantity('5nmi/h'))
x = PhysicalQuantity('33rev/min')
x.convert_to_unit('rpm')
self.assertEqual(x, PhysicalQuantity('33rpm'))
x = PhysicalQuantity('12mo')
x.convert_to_unit('yr')
self.assertEqual(x, PhysicalQuantity('1yr'))
x = PhysicalQuantity('1Mibyte')
x.convert_to_unit('Kibyte')
self.assertEqual(x, PhysicalQuantity('1024Kibyte'))
def test_convert_to_unit(self):
#convert_to_unit should change the unit of the calling instance to the requested new unit
x = PhysicalQuantity('5cm')
x.convert_to_unit('m')
self.assertEqual(x, PhysicalQuantity('0.05m'))
#Test for no compatible units
x = PhysicalQuantity('5cm')
try:
x.convert_to_unit('kg')
except TypeError as err:
self.assertEqual(str(err), 'Incompatible units')
else:
self.fail("TypeError expected")
x = PhysicalQuantity('1.0psi')
x.convert_to_unit('psf')
self.assertEqual(x, PhysicalQuantity('144.0psf'))